On Fri, 2012-08-10 at 11:10 +0800, Michael Wang wrote:
> On 08/10/2012 11:05 AM, Michael Wang wrote:
> > On 07/03/2012 02:34 PM, Michael Wang wrote:
> >> From: Michael Wang <wang...@linux.vnet.ibm.com>
> >>
> >> it's impossible to enter else branch if we have set skip_clock_update
> >> in task_yield_fair(), as yield_to_task_fair() will directly return
> >> true after invoke task_yield_fair().
> >
> > Could I get some conclusion on this patch? Should we clean up that peace
> > of code or leave it there?
> s /peace/piece and cc mike...
If some other class grows yield_to_task (ick), it'll have to be looked
at again, but hopefully for all eternity that branch is dead. Bury it.
> >
> > Regards,
> > Michael Wang
> >
> >>
> >> Signed-off-by: Michael Wang <wang...@linux.vnet.ibm.com>
> >> ---
> >> kernel/sched/core.c | 7 -------
> >> 1 files changed, 0 insertions(+), 7 deletions(-)
> >>
> >> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> >> index 9bb7d28..77c14aa 100644
> >> --- a/kernel/sched/core.c
> >> +++ b/kernel/sched/core.c
> >> @@ -4737,13 +4737,6 @@ again:
> >> */
> >> if (preempt && rq != p_rq)
> >> resched_task(p_rq->curr);
> >> - } else {
> >> - /*
> >> - * We might have set it in task_yield_fair(), but are
> >> - * not going to schedule(), so don't want to skip
> >> - * the next update.
> >> - */
> >> - rq->skip_clock_update = 0;
> >> }
> >>
> >> out:
> >>
> >
> > --
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>
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